Maciej Szałek@Maciej_SzalekPolandFollow BadgesProblem SolvingDays of JS CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillWork ExperienceMaciej_Szalek has not updated employment details yet.EducationMaciej_Szalek has not updated education details yet.